Method _traverse

deps/v8/tools/clusterfuzz/js_fuzzer/mutators/mutator.js:41–60

(ast, visitor)

  }

  _traverse(ast, visitor) {
    let oldEnter = null;
    if (Object.prototype.hasOwnProperty.call(visitor, 'enter')) {
      oldEnter = visitor['enter'];
    }

    // Transparently skip nodes that are marked.
    visitor['enter'] = (path) => {
      if (this.shouldSkip(path.node)) {
        path.skip();
        return;
      }

      if (oldEnter) {
        oldEnter(path);
      }
    }

    babelTraverse(ast, visitor);
  }

  mutate(source, context=EMPTY_DEFAULT_CONTEXT) {
    this.context = context;